<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    
    <!-- 卡片视图区 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="10">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <el-table :data="userList" style="width: 100%" border stripe>
        <el-table-column type="index" label="序号">
        </el-table-column>
        <el-table-column prop="username" label="姓名">
        </el-table-column>
        <el-table-column prop="email" label="邮箱">
        </el-table-column>
        <el-table-column prop="mobile" label="电话">
        </el-table-column>
        <el-table-column prop="role_name" label="角色">
        </el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <!-- {{scope.row}} -->
            <el-switch @change="userStatusChange(scope.row)" v-model="scope.row.mg_state" active-color="#13ce66" inactive-color="#ff4949">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button size="mini" @click="showEditDialog(scope.row.id)" type="primary" icon="el-icon-edit" circle></el-button>
            <!-- 删除按钮 -->
            <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeById(scope.row.id)" circle></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button size="mini" type="warning" icon="el-icon-setting" @click="setRole(scope.row)" circle></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <!-- 分页区域 -->
    <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
    </el-pagination>

    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addFormClose()">
      <!-- 主体内容 -->
      <el-form :model="addForm" :rules="addFromRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input type="password" v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editFormClose()">
      <!-- 主体内容 -->
      <el-form :model="editForm" :rules="editFromRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClose">
      <div>
        <p>当前用户:{{userInfo.username}}</p>
        <p>当前角色:{{userInfo.role_name}}</p>
        <p>分配新角色:
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
      if (regEmail.test(value)) {
        return cb();
      } else {
        return cb(new Error("请输入合法的邮箱"));
      }
    };
    var checkPhone = (rule, value, cb) => {
      const regPhone =
        /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
      if (regPhone.test(value)) {
        return cb();
      } else {
        return cb(new Error("请输入正确的手机号"));
      }
    };
    return {
      setRoleDialogVisible: false,
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      editDialogVisible: false,
      //添加用户的表单数据
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      editForm: {},
      //添加表单的验证规则
      addFromRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "用户名的长度在3~10个字符之间",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 16,
            message: "用户名的长度在6~16个字符之间",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkPhone, trigger: "blur" },
        ],
      },
      //修改表单的验证规则
      editFromRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号", trigger: "blur" },
          { validator: checkPhone, trigger: "blur" },
        ],
      },
      //需要被分配角色的用户信息
      userInfo: {},
      rolesList: {},
      //已选中的角色id值
      selectedRoleId: "",
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    setRoleDialogClose() {
      this.selectedRoleId = "";
      this.userInfo = {};
    },
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error("请选择要分配的角色");
      }
      const { data } = await this.$http.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectedRoleId,
      });

      if (data.meta.status !== 200) {
        return this.$message.error("角色修改失败");
      }
      this.$message.success("角色修改成功");
      this.getUserList();
      this.setRoleDialogVisible = false;
    },
    async setRole(userInfo) {
      this.userInfo = userInfo;
      //获取所有角色列表
      const { data } = await this.$http.get(`roles`);
      console.log(data);
      if (data.meta.status != 200) {
        return this.$message.error("获取角色列表失败");
      }
      this.rolesList = data.data;
      this.setRoleDialogVisible = true;
    },
    async getUserList() {
      const { data } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (data.meta.status != 200)
        return this.$message.error("获取用户列表失败");
      this.userList = data.data.users;
      this.total = data.data.total;
    },

    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    // 页码值
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    async userStatusChange(userInfo) {
      const { data } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );
      if (data.meta.status != 200) {
        userInfo.mg_state = !userInfo.mg_state;
        return this.$message.error("状态更新失败");
      } else {
        return this.$message.success("状态更新成功");
      }
    },
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data } = await this.$http.post("users", this.addForm);
        if (data.meta.status == 201) {
          this.$message.success("用户添加成功");
          this.addDialogVisible = false;
          this.getUserList();
          this.$refs.addFormRef.resetFields();
        } else {
          this.$message.error("用户添加失败");
        }
      });
    },
    addFormClose() {
      this.$refs.addFormRef.resetFields();
    },
    async showEditDialog(id) {
      const { data } = await this.$http.get(`users/${id}`);
      if (data.meta.status !== 200) {
        return this.$message.error("查询用户信息失败");
      }
      this.editForm = data.data;
      this.editDialogVisible = true;
    },
    editUser() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data } = await this.$http.put(`users/${this.editForm.id}`, {
          email: this.editForm.email,
          mobile: this.editForm.mobile,
        });
        if (data.meta.status !== 200) {
          return this.$message.error("用户修改失败");
        } else {
          this.editDialogVisible = false;
          this.getUserList();
          this.$message.success("用户修改成功");
        }
      });
    },
    editFormClose() {
      this.$refs.editFormRef.resetFields();
    },
    removeById(id) {
      this.$confirm("此操作将永久删除该用户, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(async () => {
          const { data } = await this.$http.delete(`users/${id}`);

          if (data.meta.status == 200) {
            this.$message({
              type: "success",
              message: "用户删除成功!",
            });
            this.getUserList();
          } else {
            this.$message.error("用户删除失败");
          }
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消删除",
          });
        });
    },
  },
};
</script>

<style>
</style>